* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000;
  overflow: hidden;
  height: 100vh;
}

#app {
  width: 100vw;
  height: 100vh;
  position: relative;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.controls-panel {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.8);
  padding: 20px;
  border-radius: 8px;
  color: white;
  z-index: 1000;
  min-width: 250px;
}

.time-slider {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 800px;
  z-index: 1000;
}

.instruction {
  position: absolute;
  bottom: 20px;
  left: 20px;
  color: white;
  font-size: 14px;
  z-index: 1000;
  pointer-events: none;
}

.footer {
  position: absolute;
  bottom: 20px;
  right: 20px;
  color: #999;
  font-size: 12px;
  z-index: 1000;
}

.footer a {
  color: #bbb;
  text-decoration: none;
}

.footer a:hover {
  color: #fff;
}
